Question

why are capillaries thin walled

Answer 1

Heyaa folk,

Capillaries are thin walled because,
Molecules such as oxygen, water and lipids can pass through them by diffusion. The function of capillaries is to allow food and oxygen to diffuse to cells, and hence, to allow this process, 'Capillaries are thin walled'.

Hope it helps u :)
- no4 ✯ Brainly Star ✯

Answer 2

capillaries are the blood vessels where the exchange of gases takes place and do not takes part in blood circulation,this is the reason they are thin walled